X-Git-Url: https://git.saurik.com/bison.git/blobdiff_plain/44e7ead165c56bb55b2fdafd4aff2f511baa8e68..7029f8927fff6c48dfc1e1b26b8e3b8d473fa1ad:/ChangeLog diff --git a/ChangeLog b/ChangeLog index d4a25f16..5d03a68f 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,14 +1,205 @@ +2005-12-09 Paul Eggert + + * src/parse-gram.y: Fix minor problems uncovered by lint. + (current_lhs, current_lhs_location): Now static. + (current_assoc): Remove unused variable. + + Cleanups so that Bison-generated parsers have less lint. + * data/c.m4 (b4_yydestruct_generate, b4_yysymprint_generate): + Prepend /*ARGSUSED*/, for lint's sake. + * data/glr.c (YYUSE): Properly parenthesize, and use an alternate + definition if 'lint' is defined. + (YYID): New macro (or function, if lint). + All uses of /*CONSTCOND*/0 replaced by YYID(0). + * data/yacc.c: Likewise. + * data/glr.c (yyuserAction, yyuserMerge, yy_reduce_print): + (yyrecoverSyntaxError): Prepend /*ARGSUSED*/. + * data/glr.cc (YYLLOC_DEFAULT): Omit /*CONSTCOND*/ since this code + is C++ only. + * data/lalr1.cc (YYUSE): Just use a cast, since this code is C++ only. + * data/yacc.c (YYSTACK_FREE) [defined YYSTACK_ALLOC]: + Use YYID(0) rather than 0, for lint. + (yystrlen): Rewrite to avoid lint warning about ptrdiff_t overflow. + (yysyntax_error): Rewrite to avoid lint warnings about parenthesization. + +2005-12-07 Paul Eggert + + * tests/glr-regression.at + (Improper handling of embedded actions and dollar(-N) in GLR parsers): + Close memory leak reported by twlevo. + +2005-12-06 "Joel E. Denny" + + * data/glr.c (yyprocessOneStack, yyparse): Synchronize the shift for + all stacks. + (yyparse): Iterate another stack in order to call user destructors. + * tests/glr-regression.at (No users destructors if stack 0 deleted): + New test case. + (Duplicated user destructor for lookahead): This test now is expected + to succeed. + +2005-12-01 Paul Eggert + + * NEWS: Document the following change. + * data/yacc.c: Say "parser skeleton" rather than "file", since + it's no longer just a file. + * data/glr.c: Grant a special exception for C GLR parsers, that + reads like the already-existing exception for C LALR(1) parsers. + * data/glr.cc: Likewise. + * data/lalr1.cc: Likewise. + * data/location.cc: Likewise. + * data/yacc.c: Reword the "written by" statement to clarify that + it was the parser skeleton, not the entire output file. + * data/glr.c: Written by Paul Hilfinger. + * data/glr.cc: Written by Akim Demaille. + * data/lalr1.cc: Likewise. + +2005-11-18 Paul Eggert + + * data/yacc.c (yy_reduce_print, YY_REDUCE_PRINT): + Fix typos in previous change that broke 'make check'. + YY_REDUCE_PRINT cannot be a pseudo-varargs macro; that isn't + supported in C. + * tests/calc.at (_AT_CHECK_CALC,_AT_CHECK_CALC_ERROR): + Don't check NUM-STDERR-LINES, since the output format is fluctuating. + We can revert this once things settle down. + + * src/conflicts.c (conflicts_print): Don't print file name twice + when %expect fails because there were no conflicts. + * doc/bison.texinfo (Expect Decl): Tighten up wording in previous + change. + * tests/conflicts.at (%expect not enough, %expect too much): + (%expect with reduce conflicts): Adjust to new behavior. + +2005-11-18 Akim Demaille + + * src/conflicts.c (conflicts_print): Unsatisfied %expectation are + errors. + * NEWS: Document this. + * doc/bison.texinfo (Expect Decl): Likewise. + +2005-11-16 Akim Demaille + + Generalize the display of semantic values and locations in traces. + * data/glr.c (yy_reduce_print): Fix indices (again). + * data/c++.m4 (b4_rhs_value, b4_rhs_location): Don't expect + literal integers. + * data/lalr1.cc (yyreduce_print): Rename as... + (yy_reduce_print): this. + Display values and locations. + * data/yacc.c (yy_reduce_print): Likewise. + (YY_REDUCE_PRINT): Adjust to pass the required arguments. + (yysymprint): Move higher to be visible from yy_reduce_print). + (yyparse): Adjust. + * tests/calc.at: Adjust the expected length of the traces. + +2005-11-14 Akim Demaille + + * data/glr.c (yy_reduce_print): The loop was quite wrong: type are + from 1 to N, while values and location start at 0. + (b4_rhs_location, b4_rhs_value): Add parens around $1 and $2. + +2005-11-14 Akim Demaille + + * data/glr.c (yy_reduce_print): Fix the $ number. + +2005-11-14 Akim Demaille + + "Use" parse parameters. + * data/c.m4 (b4_parse_param_for, b4_parse_param_use): New. + * data/glr.c, data/glr.cc: Use them. + * data/glr.c (YYUSE): Have a C++ definition that supports + non-pointer types. + +2005-11-14 Akim Demaille + + * data/glr.c (yyexpandGLRStack): Declare only if defined. + +2005-11-14 Akim Demaille + + * data/glr.cc: New. + * data/m4sugar/m4sugar.m4 (m4_prepend): New. + +2005-11-12 Akim Demaille + + Let position and location be PODs. + * data/location.cc (position::initialize, location::initialize): New. + (position::position, location::location): Define only if + b4_location_constructors is defined. + * data/lalr1.cc (b4_location_constructors): Define it for backward + compatibility. + * doc/bison.texinfo (Initial Action Decl): Use initialize. + +2005-11-12 Akim Demaille + + * data/lalr1.cc: Move the body of the ctor and dtor into the + parser file (instead of the header). + Wrap the implementations in a "namespace yy". + +2005-11-12 Akim Demaille + + Have glr.c include its header file when created. + * data/glr.c (b4_shared_declarations): New. + Output them verbatim in the parser if !%defines, otherwise + output then in the header file, and include it instead. + +2005-11-11 Akim Demaille + + * data/glr.c: Comment changes. + +2005-11-11 Akim Demaille + + When yydebug, report semantic and location values for reductions. + * data/glr.c (yy_reduce_print): Report the semantic values and the + locations. + (YY_REDUCE_PRINT): Adjust. + (yyglrReduce): Use them. + (b4_rhs_value, b4_rhs_location): Remove m4_eval invocations. + * data/c.m4 (b4_yysymprint_generate): Specify the const arguments. + * tests/calc.at (_AT_CHECK_CALC_ERROR): Remove the reduction + traces. + +2005-11-10 Akim Demaille + + * data/glr.c (yynewGLRStackItem, YY_RESERVE_GLRSTACK): New. + (yyaddDeferredAction, yyglrShift, yyglrShiftDefer): Use them. + (yyexpandGLRStack, YYRELOC): Define only when YYSTACKEXPANDABLE. + +2005-11-09 Albert Chin-A-Young + + * m4/cxx.m4, examples/Makefile.am: Don't build + examples/calc++ if no C++ compiler is available. (trivial change) + +2005-11-09 Akim Demaille + + * src/scan-skel.l: Use a couple of asserts. + +2005-11-03 Akim Demaille + + In some (weird) cases, the final state number is incorrect. + Reported by Alexandre Duret-Lutz. + * src/LR0.c (state_list_append): Remove the computation of + final_state. + (save_reductions): Do it here. + (get_state): Alpha conversion. + (generate_states): Use a for loop. + * src/gram.h (item_number_is_rule_number) + (item_number_is_symbol_number): New. + * src/state.c: Use assert. + * src/system.h: Include assert.h. + * tests/sets.at (Accept): New. + 2005-10-30 Paul Hilfinger * data/glr.c (yyfill): Adjust comment. - (yyresolveAction): Initialize default location properly + (yyresolveAction): Initialize default location properly for empty right-hand sides. (yydoAction): Ditto. Add comment explaining apparently dead code. - * tests/glr-regression.at - (Incorrectly initialized location for empty right-hand side in GLR): + * tests/glr-regression.at + (Incorrectly initialized location for empty right-hand side in GLR): New test. - + 2005-10-30 Paul Eggert * bootstrap (cleanup_gnulib): New function. Use it to clean up